Platinum. 



588 



0610 



Strengers. [Hibliographie der I^egie- 

 rungen vim I'latiimietallen.] (Hol- 

 landisch) Utrerlit, 1907. 



Compounds. 



Del^pine. Action <]e I'acide sulfuri- 

 que a cbaiid Rur le« sels de platine et 

 d'iriditiiii (;m presence du sulfate d'ain- 

 iiioniiuu. BL, 35, (7'J(5). 



Werner. Dihvdroxotetrammin-platin- 

 verbinclungei). 'B., 40, (4003). 



Flexahydroxyplatinic Acid H2Pt(0Hjj 



Bellucci. Acido platinico (esaossi- 

 platinicoj. G., 35, (163). 



Platiiiaten. 

 BeUucci. G.,35, (334j. 



FlatiuirJdorides. 



Dtmstan. 45744. Formation of ab- 

 normal platiniclilorides. 



Plativocycniides. 



Baumliauer. 440G0. Einige Platin- 

 doppelcyanure, insbesondere diejenigen 

 des Calciums, Stroutiinns und Baryums. 



Levy. 48896. [Platinocyanides of 

 guanidine, 1 : 4-diphenyl-3 : 5-e7tdo-anilo- 

 4 : 5-dihydi-o-] : 2 : 4-triazole ("nitron "), 

 and uranyl.] 



48897. [Fluorescence of 



platinocj'anides.] 



Pt Si PLATINUM SILICIDES. 



Lebeau et Novitzky. Un nouveau 

 siliciure de platine. CR., 145, (241). 



Vigouroux. Le siliciure de platine 

 Si Pt et un siliciure cloulile de ^^latiue et 

 de cuivre. C.P., 145, (370). 



0615 PLATINUM METALS. 



Faal u. Amtoerger. Colloidale Metalle 

 der Platingruppe. B., 40, (1392). 



u. Gerum. Katalyti- 



sche Wirkuiigen kolloidaler Metalle der 

 Platingruppe. B., 40, (2201, 2209). 



0620 



RADIUM. 



Aschkinass. 43821. llmwandlung 

 der Atome in radioaktiven Substanzen. 



43822. Kadiuinet Radlo- 



Behn. 44i;^,r,. Radium. 

 Berthelot. i)ie cliemisclien Wirkuu- 

 gen (ies Radiums. A., 351, (504). 



Boltwood. 41570. Radio-activity of 

 the salts of radium. 



44572. Production of radium 



bj' actinium. 



Bordas. Syntiiese des jiierres ])re- 

 cieuties de la fauiille des aluminidcs. 

 C.R., 145, (710). 



Bragg. 44702. Ionization of various 

 gases by the o particles of radium. No. 2. 



Cameron & Ramsay. 44976. iSome 

 properties of radium emanation. 

 [Changes of vohime of the emanation 

 and relation of volume to pressure. Life- 

 period of radium. Radium D and its 

 properties and life-period.] 



The chemical action of 



radium emanation. Part II. On solu- 

 tions containing copper, and lead, and 

 on water. J.C., 91, (1593). 



Curie, Mine. 45364. Le poids atomi- 

 que du radium. (French and Polish.) 



Action de la peaauteur sur 



le depot de laradioactivite induite. C. 

 R., 145, (477). 



La " condensation de la 



vapeur d'eau en presence de I'emana- 

 tion du radium. C.R., 145, (1145). 



Dewar, Sir J. L'emploi du radio- 

 metre pour I'observation des basses pres- 

 sions dans Ies gaz ; application h la re- 

 cherche des produits gazeux eniis par 

 Ies corps radioactifs. C.R., 145, (HO). 



Dreyer et Hanssen. La coagulation 

 des albumines j^ar Taction de la lumieie 

 idtra-violette et du radium. C.R., 145, 



(234). 



Eve. 45972. Measurement of radium 

 in minerals by the 7-radiation. 



45973. Relative activity of 



radium and thorium, measured by tlie 

 gamma-radiation. 



45975. The amount of 



radium emanation in the atmosphere 

 near the earth's surface. 



& Mcintosh. 



45976. 



activile. 



AschofF. 43S23. Radium aus den 

 Kieu/nacher Solquellen. 



Amount of radium present in typical 

 rocks in the immediate neighbourhood 

 of Montreal. 



Faust. Was ist Radium ? Dresden- 

 N., 1007. 



